UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 1 CPU: 1 PID: 5618 Comm: syz-executor.6 Not tainted 6.0.0-rc1-next-20220818 #1 BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1521 misc raw-gadget: fail, usb_gadget_register_driver returned -16 in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 5618, name: syz-executor.6 preempt_count: 0, expected: 0 RCU nest depth: 0, expected: 0 no locks held by syz-executor.6/5618. irq event stamp: 236 hardirqs last enabled at (235): [] __up_console_sem+0x78/0x80 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy hardirqs last disabled at (236): [] dump_stack_lvl+0x2e/0xb3 misc raw-gadget: fail, usb_gadget_register_driver returned -16 softirqs last enabled at (0): [] copy_process+0x1dfe/0x6de0 softirqs last disabled at (0): [<0000000000000000>] 0x0 CPU: 1 PID: 5618 Comm: syz-executor.6 Not tainted 6.0.0-rc1-next-20220818 #1 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy syz-executor.6[5618] cmdline: /syz-executor.6 exec Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 misc raw-gadget: fail, usb_gadget_register_driver returned -16 Call Trace: dump_stack_lvl+0x8b/0xb3 __might_resched.cold+0x222/0x26b down_read_killable+0x75/0x490 __access_remote_vm+0xac/0x6f0 get_mm_cmdline.part.0+0x214/0x600 get_task_cmdline_kernel+0x1e9/0x230 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy dump_stack_print_cmdline.part.0+0x82/0x150 misc raw-gadget: fail, usb_gadget_register_driver returned -16 dump_stack_print_info+0x185/0x190 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy dump_stack_lvl+0x7f/0xb3 should_fail.cold+0x5/0xa strncpy_from_user+0x34/0x3e0 getname_flags.part.0+0x95/0x4f0 getname+0x8e/0xd0 do_sys_openat2+0xf9/0x4c0 misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy __x64_sys_openat+0x13f/0x1f0 misc raw-gadget: fail, usb_gadget_register_driver returned -16 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy RIP: 0033:0x7fc49ab2ea04 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 misc raw-gadget: fail, usb_gadget_register_driver returned -16 RSP: 002b:00007fc4980ef040 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fc49ac8ef60 RCX: 00007fc49ab2ea04 RDX: 0000000000000002 RSI: 00007fc49abd4e22 RDI: 00000000ffffff9c RBP: 00007fc49abd4e22 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 0000000000000000 R14: 0000000020001180 R15: 0000000000022000 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 misc raw-gadget: fail, usb_gadget_register_driver returned -16 syz-executor.6[5618] cmdline: /syz-executor.6 exec Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa strncpy_from_user+0x34/0x3e0 getname_flags.part.0+0x95/0x4f0 getname+0x8e/0xd0 do_sys_openat2+0xf9/0x4c0 __x64_sys_openat+0x13f/0x1f0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fc49ab2ea04 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 RSP: 002b:00007fc4980ef040 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fc49ac8ef60 RCX: 00007fc49ab2ea04 RDX: 0000000000000002 RSI: 00007fc49abd4e22 RDI: 00000000ffffff9c RBP: 00007fc49abd4e22 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 0000000000000000 R14: 0000000020001180 R15: 0000000000022000 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 0 PID: 5636 Comm: syz-executor.0 Tainted: G W 6.0.0-rc1-next-20220818 #1 syz-executor.0[5636] cmdline: /syz-executor.0 exec Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy Call Trace: misc raw-gadget: fail, usb_gadget_register_driver returned -16 dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa strncpy_from_user+0x34/0x3e0 getname_flags.part.0+0x95/0x4f0 getname+0x8e/0xd0 do_sys_openat2+0xf9/0x4c0 __x64_sys_openat+0x13f/0x1f0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fb4ea0e1a04 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 RSP: 002b:00007fb4e76a2040 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fb4ea241f60 RCX: 00007fb4ea0e1a04 RDX: 0000000000000002 RSI: 00007fb4ea187e22 RDI: 00000000ffffff9c RBP: 00007fb4ea187e22 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 0000000000000000 R14: 0000000020000e00 R15: 0000000000022000 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 FAULT_INJECTION: forcing a failure. name fail_usercopy, interval 1, probability 0, space 0, times 0 CPU: 1 PID: 5650 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220818 #1 BUG: sleeping function called from invalid context at kernel/locking/rwsem.c:1521 in_atomic(): 0, irqs_disabled(): 1, non_block: 0, pid: 5650, name: syz-executor.2 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy preempt_count: 0, expected: 0 RCU nest depth: 0, expected: 0 no locks held by syz-executor.2/5650. misc raw-gadget: fail, usb_gadget_register_driver returned -16 irq event stamp: 332 hardirqs last enabled at (331): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (332): [] dump_stack_lvl+0x2e/0xb3 softirqs last enabled at (326): [] __irq_exit_rcu+0x11b/0x180 softirqs last disabled at (261): [] __irq_exit_rcu+0x11b/0x180 CPU: 1 PID: 5650 Comm: syz-executor.2 Tainted: G W 6.0.0-rc1-next-20220818 #1 syz-executor.2[5650] cmdline: /syz-executor.2 exec Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 __might_resched.cold+0x222/0x26b down_read_killable+0x75/0x490 __access_remote_vm+0xac/0x6f0 get_mm_cmdline.part.0+0x214/0x600 get_task_cmdline_kernel+0x1e9/0x230 dump_stack_print_cmdline.part.0+0x82/0x150 dump_stack_print_info+0x185/0x190 dump_stack_lvl+0x7f/0xb3 should_fail.cold+0x5/0xa strncpy_from_user+0x34/0x3e0 getname_flags.part.0+0x95/0x4f0 getname+0x8e/0xd0 do_sys_openat2+0xf9/0x4c0 __x64_sys_openat+0x13f/0x1f0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe07061ca04 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 RSP: 002b:00007fe06dbdd040 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fe07077cf60 RCX: 00007fe07061ca04 RDX: 0000000000000002 RSI: 00007fe0706c2e22 RDI: 00000000ffffff9c RBP: 00007fe0706c2e22 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 0000000000000000 R14: 0000000020000280 R15: 0000000000022000 syz-executor.2[5650] cmdline: /syz-executor.2 exec Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 Call Trace: dump_stack_lvl+0x8b/0xb3 should_fail.cold+0x5/0xa strncpy_from_user+0x34/0x3e0 getname_flags.part.0+0x95/0x4f0 getname+0x8e/0xd0 do_sys_openat2+0xf9/0x4c0 __x64_sys_openat+0x13f/0x1f0 do_syscall_64+0x3b/0x90 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7fe07061ca04 Code: 84 00 00 00 00 00 44 89 54 24 0c e8 96 f9 ff ff 44 8b 54 24 0c 44 89 e2 48 89 ee 41 89 c0 bf 9c ff ff ff b8 01 01 00 00 0f 05 <48> 3d 00 f0 ff ff 77 34 44 89 c7 89 44 24 0c e8 c8 f9 ff ff 8b 44 RSP: 002b:00007fe06dbdd040 EFLAGS: 00000293 ORIG_RAX: 0000000000000101 RAX: ffffffffffffffda RBX: 00007fe07077cf60 RCX: 00007fe07061ca04 RDX: 0000000000000002 RSI: 00007fe0706c2e22 RDI: 00000000ffffff9c RBP: 00007fe0706c2e22 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000002 R13: 0000000000000000 R14: 0000000020000280 R15: 0000000000022000 Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 misc raw-gadget: fail, usb_gadget_register_driver returned -16 Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16